Da

Da, DA, dA, DÄ and other variants may refer to:

Daylight saving time (abbreviated DST), sometimes referred to as daylight savings time in U.S., Canadian, and Australian speech, and known as summer time in some countries, is the practice of advancing clocks during summer months so that evening daylight lasts longer, while sacrificing normal sunrise times.

Darth Vader (birth name Anakin Skywalker) is a fictional character in the Star Wars franchise. He appears in the original trilogy as a pivotal antagonist serving the Galactic Empire, while his past as Anakin Skywalker and the story of his corruption are the focus of the prequel trilogy.

David Robert Jones (8 January 1947 – 10 January 2016), known professionally as David Bowie (), was an English singer-songwriter and actor.

Dallas () is a city in the U.S. state of Texas. It is the most populous city in the Dallas–Fort Worth metroplex, which is the fourth most populous metropolitan area in the United States.

A database is an organized collection of data, stored and accessed electronically. Database designers typically organize the data to model aspects of reality in a way that supports processes requiring information, such as (for example) modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.

The Day of the Dead (Spanish: Día de Muertos) is a Mexican holiday celebrated throughout Mexico, in particular the Central and South regions, and by people of Mexican ancestry living in other places, especially the United States.

David is described in the Hebrew Bible as the second king of the United Kingdom of Israel and Judah.